“The evidence shows — and again, it’s only several hours, and the investigation is ongoing — but that after he came to the United States is when he started to become informed about ISIS and radical Islamic tactics,” New York Gov. Andrew Cuomo said Wednesday.

President Donald Trump also said Wednesday he would consider sending Saipov to Guantanamo Bay for a military trial. As president, Trump has the authority to label an individual an enemy combatant, according to NBC News.

“If he doesn’t die, he’ll be tried in New York and most certainly be convicted, so I don’t see a huge benefit to doing the enemy combatant thing,” said Carlton F.W. Larson, a professor at the University of California Davis School of Law.

Trump claimed the U.S. justice system is “a joke” and takes too long for justice to be administered. By labeling Saipov as an enemy combatant, he said, justice can be served much more quickly.

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Meanwhile, the people of New York will stand strong in the face of terror, according to New York City Mayor Bill de Blasio, who declared the attack a failure.

“We understand this was an attack on our values,” de Blasio said.

“It was an effort to break our spirit. But as an effort to break our spirit, it failed.”